1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2,
* as published by the Free Software Foundation.
*
* In addition to the permissions in the GNU General Public License,
* the authors give you unlimited permission to link the compiled
* version of this file into combinations with other programs,
* and to distribute those combinations without any restriction
* coming from the use of this file. (The General Public License
* restrictions do apply in other respects; for example, they cover
* modification of the file, and distribution when not linked into
* a combined executable.)
*
* This file is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "common.h"
#include "commit.h"
#include "revwalk.h"
#include "tree.h"
#include "git/repository.h"
void git_tree__free(git_tree *tree)
{
free(tree);
}
const git_oid *git_tree_id(git_tree *tree)
{
return &tree->object.id;
}
git_tree *git_tree_lookup(git_repository *repo, const git_oid *id)
{
return (git_tree *)git_repository_lookup(repo, id, GIT_OBJ_TREE);
}
int git_tree__parse(git_tree *tree)
{
static const char tree_header[] = {'t', 'r', 'e', 'e', ' '};
int error = 0;
git_obj odb_object;
char *buffer, *buffer_end;
error = git_odb_read(&odb_object, tree->object.repo->db, &tree->object.id);
if (error < 0)
return error;
buffer = odb_object.data;
buffer_end = odb_object.data + odb_object.len;
if (memcmp(buffer, tree_header, 5) != 0)
return GIT_EOBJCORRUPTED;
buffer += 5;
tree->byte_size = strtol(buffer, &buffer, 10);
if (*buffer++ != 0)
return GIT_EOBJCORRUPTED;
while (buffer < buffer_end) {
git_tree_entry *entry;
entry = git__malloc(sizeof(git_tree_entry));
entry->next = tree->entries;
entry->attr = strtol(buffer, &buffer, 10);
if (*buffer++ != ' ') {
error = GIT_EOBJCORRUPTED;
break;
}
entry->filename = git__strdup(buffer);
if (entry->filename == NULL) {
error = GIT_EOBJCORRUPTED;
break;
}
buffer += strlen(entry->filename);
git_oid_mkraw(&entry->oid, (const unsigned char *)buffer);
buffer += GIT_OID_RAWSZ;
tree->entries = entry;
}
return error;
}
|
